function Parent5() {
    this.name = 'parent5';
    this.play = [1, 2, 3];
}
function Child5() {
    Parent5.call(this);
    this.type = 'child5';
}
Child5.prototype = Object.create(Parent5.prototype);
Child5.prototype.constructor = Child5;
var s3 = new Child5();
var s4 = new Child5();
console.log(s3)